Reports

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SR-2002-017

Examining How Agricultural Production May Affect the Water Quality of Ground and Surface Waters in Floodplains of the Brazos River Near Bryan, TX

Clyde Munster

In 1993, the Texas Water Resources Institute awarded a grant to Clyde Munster of the Agricultural and Biological Engineering Department of Texas A&M University. The grant was funded by the US Geological Survey and the National Institutes for Water Research. These papers resulted from that grant. In general terms, the project focused on surface- and ground-water quality issues that may affect floodplains. Goals of the study were to measure groundwater flows from agricultural floodplains that are adjacent to streams; to gauge the transport of nitrogen from agricultural fields to the streams; and to develop methods to determine the pollution potential from agricultural fertilizers. Munster applied fertilizers and a non-reactive tracer (bromide) to a site in a floodplain near the Brazos River and Highway 21, just west of Bryan. Data was gathered on the movement through soils and aquifers, groundwater flows, surface water runoff, and streamflows.

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